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Worksheets

PSN & CR Review

Total questions: 66

Worksheet time: 1hrs 16mins

Name
Class
Date
1.

What are the three parts of an ATP molecule?

a)

NADH, NADPH, and FADH2

b)

adenine, thylakoid and a phosphate group

c)

adenine, ribose and three phosphate groups

d)

stroma, grana and chlorophyll

2.

Organisms, such as plants, that make their own food are called

a)

pigments

b)

autotrophs

c)

heterotrophs

d)

thylakoids

3.

Most plants appear green because chlorophyll

a)

absorbs green light

b)

absorbs violet light

c)

does not absorb green light

d)

does not absorb violet light

4.

in the overall equation for photosynthesis, six molecules of carbon dioxide and six molecules of water result in a molecule of sugar and six molecules of

a)

ATP

b)

glucose

c)

water

d)

oxygen

5.

Photosynthesis uses sunlight to convert water and carbon dioxide into

a)

oxygen and carbon

b)

high-energy sugars and proteins

c)

oxygen and high-energy sugars

d)

ATP and oxygen

6.

Which is the following is NOT found in the overall reaction for photosynthesis?

a)

nitrogen

b)

carbon dioxide

c)

light

d)

water

7.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
8.
What process occurs when light energy is captured in autotrophs and converted into sugar?
a)
Photosynthesis
b)
Cellular Respiration
9.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
10.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
11.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
12.
Which of the following go through the process of photosynthesis?
a)
bees
b)
algae
c)
humans
d)
mushrooms
13.
What is the correct equation for photosynthesis?
a)
C6H12O6 + 6O2 --> 6CO2 + 6H2O
b)
6CO2 + 6O2 --> C6H12O6  + 6H2O
c)
 6CO2 + 6O2 --> 6H2O + C6H12O6
d)
6CO2 + 6H2O  -->  6O2 + C6H12O6
14.
Which of the following is an example of a HETEROTROPH?
a)
Grass
b)
Algae
c)
Lemon Tree
d)
Bear
15.
The important gases, carbon dioxide and oxygen, enter and leave the leaf through the
a)
upper epidermis
b)
phloem
c)
stomata
d)
guard cells
16.

Which product is "waste" and mostly released by the producer (plant)?

a)

oxygen

b)

carbon dioxide

c)

sugar

d)

glucose

17.
Which statement about photosynthesis is correct?
a)
Plants get the energy they need for photosynthesis from water.
b)
Plants get the energy they need for photosynthesis from soil.
c)
Plants get the energy they need for photosynthesis from sunlight.
d)
Plants get the energy they need for photosynthesis from carbon dioxide.
18.
What molecule absorbs sunlight for photosynthesis?
a)
chloroplast
b)
thylakoid
c)
grana
d)
chlorophyll
19.
Which organelle performs PHOTOSYNTHESIS?
a)
Chloroplast
b)
Mitochondria
20.
What are the reactants of photosynthesis?
a)
carbon dioxide and oxygen
b)
water and oxygen
c)
carbon dioxide and water
d)
water and glucose
21.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
22.

How does most of the water needed by the plant get into its leaves?

a)

It enters through the stomata

b)

The roots absorb it and then it travels up the stem

c)

It's made during a chemical reaction in the leaf

d)

The flowers capture water and deliver it to the leaves

23.
How does carbon dioxide get into the leaves of a plant?
a)
It's absorbed by the roots
b)
It's made in a chemical reaction in the stem
c)
It enters through the stomata
d)
It goes through the flowers
24.
The stacks of disks in the chloroplast are called:
a)
Lamellae
b)
Grana
c)
Stroma
d)
Thylakoid
25.
The interior space of the chloroplast is called:
a)
Lamellae
b)
Grana
c)
Stroma
d)
Thylakoids
26.

Where do the dark reactions (Calvin cycle) take place?

a)

thylakoid membrane

b)

lumen

c)

stroma

27.
What are the two products of the light reactions that are needed for the calvin cycle?
a)
NAD and NADPH
b)
NADP + and Glucose
c)
NADPH and ATP
d)
Oxygen and NADPH
28.

Where does dark reaction or light independent specifically occur?

a)

thylakoid membrane

b)

Stroma of the chloroplast

c)

Grana

d)

nuclear membrane

29.

Where does light dependent specifically occur?

a)

thylakoid membrane of the grana

b)

Stroma of the chloroplast

c)

mitochondria

d)

nuclear membrane

30.

What is/are the products of light independent reaction?

a)

ATP

b)

NADPH

c)

H2O

d)

C6H12O6

e)

pyruvate

31.

Which of the following statements does not describe Light independent reaction?

a)

aka Calvin cycle

b)

Produce ATP and NADPH

c)

Produce glucose

d)

Occur in the stroma of the chloroplast

e)

Use ATP and NADPH for the reaction

32.

•The organelle responsible for photosynthesis:

a)

Vacuole

b)

Chloroplast

c)

nuclear membrane

d)

mitochondria

e)

Cytoplasm

33.

What are the products of the light-dependent reactions?

a)

oxygen gas and glucose

b)

ATP, NADPH and oxygen gas

c)

ATP, carbon dioxide gas and NADPH

d)

carbon dioxide gas, oxygen gas and NADPH

34.

Which of the following is NOT a stage of cellular respiration?

a)

electron transport

b)

glycolysis

c)

Krebs Cycle

d)

fermentation

35.

Cellular respirtaion releases energy by breaking down

a)

ATP

b)

food molecules

c)

water

d)

carbon dioxide

36.
The purpose of cellular respiration is to produce ?
a)
energy
b)
oxygen
c)
sugar
d)
protein
37.
What main food group do we get most of our energy from?
a)
proteins
b)
carbs
c)
meats
d)
nucleic acids
38.
What is the sugar that carbs are broken down to?
a)
sucrose
b)
maltose
c)
glucose
d)
lactose
39.
The splitting of the glucose molecule is called?
a)
synthesis
b)
denaturalization
c)
glycolysis
d)
dissolving
40.
The two type of fermentation are alcohol and _____________ acid fermentation. 
a)
lactic
b)
sulfuric
c)
hydrochloric
d)
acetic 
41.
The waste gas given off by cellular respiration is?
a)
oxygen
b)
carbon dioxide
c)
nitrogen
d)
methane
42.
To get the most ATP molecules for energy in cellular respiration, you have to have lots of ?
a)
hydrogen
b)
oxygen
c)
carbon dioxide
d)
water
43.

What is the correct equation for cellular respiration?

a)

6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy

b)

6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O

c)

6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy

d)

6CO2 + 6H2O + Energy -> 6O2 + C6H12O6

44.

Cellular Respiration's goal is to

a)

make water

b)

make ATP

c)

make glucose

d)

make oxygen

45.

What type of respiration requires oxygen?

a)

Aerobic

b)

Anaerobic

46.

How many ATP are produced in aerobic respiration?

a)

2

b)

33

c)

4

d)

36

47.
Where does the Krebs Cycle take place?
a)
mitochondria
b)
chloroplast
c)
cytoplasm
d)
nucleus
48.

Where does Glycolysis occur inside the cell? (first step in the overall process)

a)

Cytoplasm

b)

Mitochondria

c)

Chloroplast

d)

Nucleus

49.

What are the products (what is released) of cellular respiration? (Mark all of them!)

a)

oxygen

b)

glucose

c)

carbon dioxide

d)

water

e)

ATP (energy)

50.

Which stage of the cellular respiration process produces the most ATP?

a)

Glycolysis

b)

Acetyl CoA

c)

Kreb's Cycle

d)

Electron Transport Chain

51.
What is the name of the 1st step of cellular respiration?
a)
Glycolysis
b)
Kreb's Cycle
c)
ETC
d)
Anaerobic respiration
52.
This process releases chemical energy from sugars and other carbon-based molecules to make ATP when oxygen is present.
a)
photosynthesis
b)
light-independent reaction
c)
cellular respiration
d)
light-dependent reaction
53.
Which is not a waste product of cellular respiration?
a)
Water
b)
Heat
c)
Carbon Dioxide
d)
Oxygen
54.
What is cellular respiration?
a)
the breakdown of glucose  to release ATP
b)
the breakdown of glucose to release NADH
c)
the breakdown of glucose to release FADH
d)
the breakdown of glucose to release carbon
55.
The energy in ATP is stored 
a)
in the bond between the second and third phosphate
b)
in the bond between the first and second phosphate
c)
in the bond between the adenosine and the first phosphate
d)
I like turtles
56.

Which of the following is a product of cellular respiration?

a)

Glucose

b)

Carbon Dioxide

c)

Oxygen

d)

Radiant Energy

57.

Which statement is true regarding cellular respiration?

a)

The reactants of cellular respiration are identical to the reactants of photosynthesis.

b)

The reactants of cellular respiration are obtained from the products of photosynthesis.

c)

The products of cellular respiration are the same as the products of photosynthesis

d)

Cellular respiration only occurs in autotrophs, photosynthesis occurs only in heterotrophs.

58.

A decrease in the amount of oxygen available will....

a)

not have an effect on the amount of energy produced during cellular respiration

b)

decrease the amount of glucose produced during cellular respiration

c)

cause the amount of water produced during cellular respiration to increase

d)

decrease the amount of energy produced during cellular respiration

59.

Which organism is NOT likely to carry out cellular respiration?

a)

Giraffe

b)

Oak tree

c)

Portabella mushroom

d)

Anaerobic bacterium

60.

Photosynthesis is to chloroplasts as cellular respiration is to

a)

nuclei

b)

mitochondria

c)

chloroplasts

d)

cytoplasm

61.

Unlike photosynthesis, cellular respiration occurs in

a)

all eukaryotic cells

b)

prokaryotic cells only

c)

plant cells only

d)

animal cells only

62.

Which of the following is an electron carrier that plays a role in cellular respiration?

a)

ATP

b)

NADP+

c)

NAD+

d)

pyruvic acid

63.

The starting molecule for the Krebs cycle is

a)

coenzyme A

b)

glucose

c)

pyruvic acid

d)

NADH

64.

If the body needs to exercise longer than 90 seconds, it generates ATP by carrying out

a)

cellular respiration

b)

glycolysis

c)

lactic acid fermentation

d)

alcoholic fermentation

65.

The air bubbles and spongy texture of bread are due to which process?

a)

lactic acid fermentation

b)

alcoholic fermentation

c)

the Krebs cycle

d)

glycolysis

66.

Which statement mainly explain why even well-conditioned athletes have to pace themselves for athletic events that last several hours?

a)

Alcoholic fermentation produces carbon dioxide.

b)

Cellular respiration releases energy more slowly than fermentation does.

c)

Heavy breathing is needed to get rid of lactic acid.

d)

Lactic acid fermentation can cause muscle soreness.

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